A systematic approach to EMC engineering and management is the best way of achieving compliance. A.S. De Beer, Ph.D Ruphus Technologies (Pty) Ltd., Lonehill, South Africa ABSTRACT This article focuses on the necessity of following a systematic engineering approach in the design and testing of military and aerospace systems that must comply with stringent EMC Standards. It … [Read more...]
EMC Pre-testing Simplifies NEBS Compliance
Introduction NEBS was developed by Bell Labs in the 1970s to standardize equipment that would eventually be installed in a phone company's central office (CO). Sorting out the acronyms, NEBS stands for "Network Equipment-Building System," a term used to describe the environment of a typical Regional Bell Operating Company (RBOC). To get a basic understanding of NEBS, visit … [Read more...]
Developments in Lightning Test Standards for Aircraft Avionics
Test standards are running behind the fast pace of technological change Nicholas Wright, EMC-Partner Laufen, Switzerland Introduction Escalating costs and increasing complexity in modern aircraft have ensured that aircraft design and assembly is now a global phenomena. Today, subsystems can be designed, manufactured, and tested at any location around the world, then shipped to … [Read more...]
ZERO GROUND Flexible (for EMI/RFI) Shielded Conduits
ZERO GROUND Flexible (for EMI/RFI) Shielded Conduits eliminate the need for costly, with long lead times and high minimum runs, custom shielded composite assemblies. These conduits are patent pending, utilize industry standard connectors, with most rated for direct burial and provide an excellent solution for those looking to effectively shield internal cables while providing … [Read more...]
The New EU Automotive EMC Directive
The essential information about which tests apply to automotive product types is now contained within the one directive. Martin O’Hara, Trafficmaster, Cranfield, Beds, UK INTRODUCTION This article discusses the changes implemented in the new European Automotive EMC directive 2004/104/EC1. The new directive, released in November 2004, effectively replaces the existing … [Read more...]
Antenna Selection for Automotive EMC Emissions and Immunity Applications (100 kHz to 18 GHz)
Optimum antenna selection plays a vital part in effective automotive emissions testing VICENTE RODRIGUEZ, PH.D. INTRODUCTION The following article describes the best antennas for meeting the requirements of full vehicle automotive EMC. The document is divided in to two main sections: Emissions and Immunity. The purpose of this article is to enlighten users on the best solution … [Read more...]
2005 Update on Intentional Electromagnetic Interference (IEMI)
IEMI refers to the deliberate attempt to produce EMI to interfere with commercial equipment. Dr. William A. Radasky, Ph.D. Metatech Corporation, Goleta, CA INTRODUCTION Over the past few years several articles have been written by this author and others indicating the threat and importance of intentional electromagnetic interference (IEMI).1–4 Since the publication of the … [Read more...]
First Amendment to the International Standard for EMC on Medical Devices
Amendment 1 to IEC 60601-1-2 is worth a careful reading by anyone involved in the design, manufacturing and/or testing of electrical medical equipment. Daniel D. Hoolihan Hoolihan EMC Consulting, Lindstrom, MN In September of 2004, the International Electrotechnical Commission (IEC) released Amendment 1 to the Second Edition of IEC 60601-1-2. This Amendment was prepared by … [Read more...]
Achieving EMC in Pharmaceutical Industry Equipment – A Case Study
The many devices used in an industrial setting can present significant challenges in emissions control. Vinod Kumar Dhar Electronics Regional Test Laboratory (West), Indian Ministry of Information Technology, Mumbai, India While controlling electromagnetic interference is a worldwide challenge encountered in homes, shops, and offices, that task can be particularly difficult … [Read more...]
Satellite System Passes EMI, Acoustic, & Thermal Testing
In other news emphasizing the growing significance of satellite communications, the Boeing Company has announced that a Boeing-led team has completed the final testing and integration of the Space Based Space Surveillance (SBSS) system under development for the U.S. Air Force. When launched, the SBSS is intended to revolutionize U.S. space situational awareness by providing … [Read more...]
